Orbital elements:
2012 HD2
Epoch 2012 Apr. 3.0 TT = JDT 2456020.5 MPC
M 354.20390 (2000.0) P Q
n 0.03497905 Peri. 206.76380 -0.96742238 +0.13061290
a 9.2597097 Node 22.69086 +0.09992624 +0.98408764
e 0.7339789 Incl. 145.79191 -0.23261274 -0.12046489
P 28.2 H 15.7 G 0.15
From 44 observations 2012 Apr. 18-20.